Performance of membrane filtration in the removal of iron and manganese from Malaysia's groundwater

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The aim of this research was to investigate the ability of nanofiltration (NF) and ultrafiltration (UF) membranes as a filtration unit for groundwater treatment for drinking water resources. Commercial membranes denoted as TS40, TFC-SR3 and GHSP were used to study the performance based on rejections and fluxes. The investigation has been conducted using natural groundwater obtained from a deep tube well with initial concentration of iron (Fe) and manganese (Mn) at 7.15 mg/L and 0.87 mg/L, respectively. Experimental results showed that NF membranes exhibited higher fluxes than UF membrane with pure water permeability at 4.68, 3.99 and 3.15 L.m-2.h-1.bar-1, respectively. For metal rejection, these membranes have performed higher removal on Fe with TS40, TFC-SR3 and GHSP membranes having more than 82%, 92% and 86% respectively. Whereas, removal on Mn only achieved up to 60%, 80% and 30%, for TS40, TFC-SR3 and GHSP membranes respectively. In order to achieve drinking water standard, the membranes were efficient in removing Fe ion at 1 and 2 bar in contrast with Mn ion at 4 and 5 bar. Higher rejection of Fe and Mn were achieved when pH of feed solution was increased to more than 7 as TFC-SR3 membrane was negatively charged in basic solution. This effect could be attributed to the electrostatic effect interaction between membrane material and rejected ions. In conclusion, this study proved that NF membrane especially the TFC-SR3 membrane successfully treated local groundwater sources for public drinking water supply in line with the WHO standard.

Original languageEnglish
Pages (from-to)227-296
Number of pages70
JournalMembrane Water Treatment
Volume7
Issue number4
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Manganese
Groundwater
manganese
Iron
membrane
Membranes
iron
groundwater
Potable water
Drinking Water
Nanofiltration membranes
Ultrafiltration
Ions
ultrafiltration
removal
ion
Fluxes
Nanofiltration
drinking water
Water resources

Keywords

  • Drinking water
  • Groundwater treatment
  • Iron and manganese
  • Membrane filtration

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Water Science and Technology

Cite this

Performance of membrane filtration in the removal of iron and manganese from Malaysia's groundwater. / Kasim, Norherdawati; Mohammad, Abdul Wahab; Sheikh Abdullah, Siti Rozaimah.

In: Membrane Water Treatment, Vol. 7, No. 4, 01.01.2016, p. 227-296.

Research output: Contribution to journalArticle

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